'Harry Potter' actress Emma Watson has been ''in love once'', but has never had her heart broken.

Emma Watson has been "in love once", but has never had her heart broken.

The 'Harry Potter and the Deathly Hallows' actress appeared in front of hordes of screaming fans at the film's world premiere last night (11.11.10), where she revealed a little about her private life.

Emma - who plays brain box witch Hermione Granger in the popular film series - told BANG Showbiz: "I've been in love once but I won't say who with, as it's not fair on The Others."

Emma has previously been linked to One Night Only rocker George Craig, financier Jay Barrymore and Spanish musician Rafael Cebrian, but keeps is very secretive about her personal life.

The 20-year-old British star has worked alongside Daniel Radcliffe as boy wizard Harry and Rupert Grint who played his sidekick Ron Weasley for ten years and six previous films; and added she enjoyed a glimpse of youthful abandon when filming a dancing scene with Daniel for the latest movie.

She added: "It was nice to be able to do that again and be light hearted and feel like a kid again."

'Harry Potter and the Deathly Hallows' is the final chapter in the Harry Potter's adventures and is split into two films, which completed filming earlier this year, and Daniel said earlier yesterday he's ready to move on.

He told BBC Radio 2: "We've been through a lot but it's been mainly positive, we all know how lucky we are to have been through so much and at such a young age to have been given this opportunity, I think we all count our blessings in that respect.

"We were all very sad to finish but, the way I coped with it was to dive into another film."

He also joked the fame he has gained through the films has made him "gently eccentric".

He added: "I am crazy, but in subtle ways. I like to think of myself as gently eccentric, rather than full-blown insane.

"In terms of the not being crazy thing, I think it comes down to having very good parents and good people around you."

'Harry Potter and the Deathly Hallows: Part 1' is released worldwide from November 19, and the second part with follow next year.